OF SOUTH AUSTRALIA. 
167 
Rhodophyllis membranacea Harvey. 
Five cm. to 6 cim high. Segments 2 mm. to 5 mm. wide. Thinly 
membranaceous. 
South Australia (Eastern Bays), Tasmania. 
B. — Inner cells in two layers parallel to the surface of the frond. 
Rosulate-areolate. No veins. Segments not fringed. 
Rhodophyllis Gunnii Harvey. 
Twenty cm. to 30 cm. high. Pinnatifid, segments 2 cm. to 3 cm. wide. 
Lobes of the pinnules obtuse. 
South Australia, Victoria, Tasmania, New Zealand. 
Rhodophyllis multipartita Harvey. 
Six inches high, segments 2 mm. wide. 
South Australia (Encounter Bay, Eastern Bays), Victoria, Tasmania. 
C. — Inner cells in two layers parallel to the surface, the cells of the layers 
alternating. Rosulate-areolate. Segments linear, not fringed. 
Rhodophyllis Brookeana J. Agardh. 
Seven cm. to 10 cm. high, segments 2 mm. wide. 
Western Australia (Israelite Bay), South xVustralia (Eastern Bays). 
D. — Surface rosulate-areolate, the inner cells alternating in two layers 
parallel to the face of the frond ; the whole enclosed by an evident cuticle. 
Rhodophyllis Goodwiniae J. Agardh. 
At length venous. 25 cm. high, lower segments 2 mm. to 3 mm. 
South Australia (Eastern Bays), Victoria, Tasmania. 
Rhodophyllis tenuifolia (Harv.) J. Agardh. 
Frond below dichotomous, upper segments pinnate and fimbriate at the 
margins; segments ultimately fimbriate and narrowly acuminate, dentate. 
Cystocarps immersed in the margin, with a pericarp of radiating cells. 
Tetrasporangia in upper segments, sparse. 
South Australia (Holdfast Bay, Investigator Strait, Eastern Bays), 
Western Australia. 
